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<FONT color="green">001</FONT>    package metaface.interaction;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.*;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    /**<a name="line.6"></a>
<FONT color="green">007</FONT>     *  This class is based on the DMTL nextstate element and represents a state that<a name="line.7"></a>
<FONT color="green">008</FONT>     *  must be searched in the following interaction<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     *@author     Simon Beard <a name="line.10"></a>
<FONT color="green">011</FONT>     *@version    1.0<a name="line.11"></a>
<FONT color="green">012</FONT>     *@see        InteractionManager<a name="line.12"></a>
<FONT color="green">013</FONT>     */<a name="line.13"></a>
<FONT color="green">014</FONT>    public class NextState {<a name="line.14"></a>
<FONT color="green">015</FONT>            private String link;<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>            /**<a name="line.18"></a>
<FONT color="green">019</FONT>             *  Constructor for the NextState object<a name="line.19"></a>
<FONT color="green">020</FONT>             *<a name="line.20"></a>
<FONT color="green">021</FONT>             *@param  linkstring  The state reference of the state to be processed in the<a name="line.21"></a>
<FONT color="green">022</FONT>             *      following interaction<a name="line.22"></a>
<FONT color="green">023</FONT>             */<a name="line.23"></a>
<FONT color="green">024</FONT>            public NextState(String linkstring) {<a name="line.24"></a>
<FONT color="green">025</FONT>                    link = linkstring;<a name="line.25"></a>
<FONT color="green">026</FONT>            }<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>            /**<a name="line.29"></a>
<FONT color="green">030</FONT>             *  Does this NextState object link to a state<a name="line.30"></a>
<FONT color="green">031</FONT>             *<a name="line.31"></a>
<FONT color="green">032</FONT>             *@param  paths  The path to a state<a name="line.32"></a>
<FONT color="green">033</FONT>             *@return        Whether this NextState object links to the path<a name="line.33"></a>
<FONT color="green">034</FONT>             */<a name="line.34"></a>
<FONT color="green">035</FONT>            public boolean linksTo(Stack paths) {<a name="line.35"></a>
<FONT color="green">036</FONT>                    String tmppath = "";<a name="line.36"></a>
<FONT color="green">037</FONT>                    int i;<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>                    if (paths == null) {<a name="line.39"></a>
<FONT color="green">040</FONT>                            return (true);<a name="line.40"></a>
<FONT color="green">041</FONT>                    }<a name="line.41"></a>
<FONT color="green">042</FONT>                    if (paths.size() == 0) {<a name="line.42"></a>
<FONT color="green">043</FONT>                            return (true);<a name="line.43"></a>
<FONT color="green">044</FONT>                    }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>                    //Get the path of the previous state<a name="line.46"></a>
<FONT color="green">047</FONT>                    tmppath = tmppath.concat((String) paths.elementAt(0));<a name="line.47"></a>
<FONT color="green">048</FONT>                    if (tmppath.indexOf(link) >= 0) {<a name="line.48"></a>
<FONT color="green">049</FONT>                            return (true);<a name="line.49"></a>
<FONT color="green">050</FONT>                    }<a name="line.50"></a>
<FONT color="green">051</FONT>                    return (false);<a name="line.51"></a>
<FONT color="green">052</FONT>            }<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>
<FONT color="green">055</FONT>            /**<a name="line.55"></a>
<FONT color="green">056</FONT>             *  Gets the link attribute of the NextState object<a name="line.56"></a>
<FONT color="green">057</FONT>             *<a name="line.57"></a>
<FONT color="green">058</FONT>             *@return    The link state reference<a name="line.58"></a>
<FONT color="green">059</FONT>             */<a name="line.59"></a>
<FONT color="green">060</FONT>            public String getLink() {<a name="line.60"></a>
<FONT color="green">061</FONT>                    return (link);<a name="line.61"></a>
<FONT color="green">062</FONT>            }<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>            /**<a name="line.65"></a>
<FONT color="green">066</FONT>             *  Perform any building after construction of the object<a name="line.66"></a>
<FONT color="green">067</FONT>             */<a name="line.67"></a>
<FONT color="green">068</FONT>            public void build() {<a name="line.68"></a>
<FONT color="green">069</FONT>            }<a name="line.69"></a>
<FONT color="green">070</FONT>    <a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>            /**<a name="line.72"></a>
<FONT color="green">073</FONT>             *  Reset internal state variables<a name="line.73"></a>
<FONT color="green">074</FONT>             */<a name="line.74"></a>
<FONT color="green">075</FONT>            public void reset() {<a name="line.75"></a>
<FONT color="green">076</FONT>            }<a name="line.76"></a>
<FONT color="green">077</FONT>    }<a name="line.77"></a>




























































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